protons are positive and electrons are negative if atom has 12 protons and 15 electrons what is the overall charge

Eleanor deposit 20 percent of the money that she earns each week in a savings account. if elanor earn $85 each week, how much money will she deposit each week

The gasoline gauge on a van initially read one fourth14 full. when 1010 gallons were added to the tank, the gauge read two thirds23 full. how many more gallons are needed to fill the tank?

A single doe is rolled one time. Find the probability for rolling a number greater than 2 or less than 6?

8x-2y=-26; 2x+5y=-23

A worker can complete the assembly of 15 DVD players in 6 hours. At this rate, how many can the worker complete in a 40-hour work week?

How do I describe the shape of a histogram?

Jerry measured and timed the descent of a diving bell spider in a large fish tank. The spider reached a position 412 412 inches below the surface of the water after descending at a constant rate for 112 112 seconds.

The expression 5/9 (f-32) gives the temperature in degrees celsius for a given temperature in degrees fahrenheit f. find the temperature in degrees celsius that is equivalent to 86 f

The formula for the surface area of a cube is S 5 6x2 where x is the length of one side. Find the length of the side of a cube with a surface area of 150 square inches.

More than 450 students went on a field trip. Ten buses were filled and 5 more students traveled in a car. How many students were on each bus?